The effect of inhaling mother’s breast milk odor on the behavioral responses to pain caused by hepatitis B vaccine in preterm infants: a randomized clinical trial

Table 2 Mean and standard deviation scores of SBP, DBP, SaO2 and heart rate in the studied groups pre and post intervention

Groups	MBMO(A)		Another mother’s BMO(B)		Control(C)		P value^a
Variables	Pre intervention	Post intervention	Pre intervention	Post intervention	Pre intervention	Post intervention	P value^a
SBP (mm Hg)	69.3 ± 9.4	70.9 ± 8.2	69.5 ± 7.6	70.2 ± 6	69.7 ± 9	71.7 ± 9	0.482
DBP (mm Hg)	40.6 ± 9.8	43.6 ± 0.5	40.8 ± 9.9	41.7 ± 7.1	40.9 ± 7.9	44 ± 10.7	0.341
SaO2 (%)	97 ± 2.7	95.2 ± 5.2	97.1 ± 3.7	94 ± 6.2	96.4 ± 3.2	91.1 ± 11.7	0.193
Heart rate	139 ± 16.1	146 ± 14.3	141 ± 15.6	153 ± 15.5	139 ± 17.8	155 ± 17.7	0.012

ISSN: 1471-2431